Tia has a sample of pure gold (Au). She weighed the sample and the result was 25.0 grams. Tia wants to determine the

number of atoms in the sample. Calculate the number of atoms in 25.0 g of pure gold.

What conditions are important in determining if it will rain or snow?

A sentence for taiga

How many white eggs are there in 0.01 moles of white eggs

Calculate the vapor pressure of a solution containing 28.0 g of glycerin (c3h8o3) in 120 ml of water at 30.0 âc. the vapor pressure of pure water at this temperature is 31.8 torr. assume that glycerin is not volatile and dissolves molecularly (i. e.

What is the unit used for water vapor?

A chemist determined by measurements that. 040 moles of gold participated in a chemical reaction. calculate the mass of gold that participated in the chemical reaction. round your answer to significant digits.

10) A screwdriver has the density of 5.5 grams per cubic centimeter. It also has the mass of 2.3 grams. What is the screwdriver's volume?

A chemist weighed out 20.7 g of sodium. Calculate the number of moles of sodium she weighed out

If 1.00 mol of argon is placed in a 0.500-L container at 20.0 ∘C, what is the difference between the ideal pressure (as predicted by the ideal gas law) and the real pressure (as predicted by the van der Waals equation) ? For argon, a=1.

Part 2: Finding Speed and Height Using Energy Directions: Use the KE and GPE equations to solve for speed or height depending on the situation. 1. A 1,000-kg car has 50,000 joules of kinetic energy. What is its speed? 2.